1151004043 has 4 divisors (see below), whose sum is σ = 1315433200. Its totient is φ = 986574888.

The previous prime is 1151004031. The next prime is 1151004061. The reversal of 1151004043 is 3404001511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3404001511 = 17 ⋅200235383.

It is a cyclic number.

It is not a de Polignac number, because 1151004043 - 2⁹ = 1151003531 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1151004043.

It is not an unprimeable number, because it can be changed into a prime (1151004073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82214568 + ... + 82214581.

It is an arithmetic number, because the mean of its divisors is an integer number (328858300).

Almost surely, 2^1151004043 is an apocalyptic number.

1151004043 is a deficient number, since it is larger than the sum of its proper divisors (164429157).

1151004043 is an equidigital number, since it uses as much as digits as its factorization.

1151004043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164429156.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 1151004043 is about 33926.4504922045. The cubic root of 1151004043 is about 1047.9943703809.

Adding to 1151004043 its reverse (3404001511), we get a palindrome (4555005554).

The spelling of 1151004043 in words is "one billion, one hundred fifty-one million, four thousand, forty-three".